rm backend/test/*
cp backend/digr.h backend/test/
cp backend/digr.cpp backend/test/
for i in test/*
   do echo "-------------------------------------------------"
   echo $i
   echo "-------------------------------------------------"
   #cat $i | ./digr
   cat $i | ./digr >> backend/$i.cpp
   cd backend
   g++ $i.cpp test/digr.cpp -o $i
   cd ..
done